diff --git a/source/tnn/device/arm/acc/arm_swish_layer_acc.cc b/source/tnn/device/arm/acc/arm_swish_layer_acc.cc
index bf9366989..e9ddf6673 100644
--- a/source/tnn/device/arm/acc/arm_swish_layer_acc.cc
+++ b/source/tnn/device/arm/acc/arm_swish_layer_acc.cc
@@ -20,6 +20,9 @@ typedef struct arm_swish_operator : arm_unary_operator {
     virtual Float4 operator()(const Float4 &v) {
         return v * Float4::sigmoid(v);
     }
+    virtual Float4 fast_op(const Float4& v) {
+        return v * Float4::fast_sigmoid(v);
+    }
 } ARM_SWISH_OP;
 
 DECLARE_ARM_UNARY_ACC_FP16(Swish, ARM_SWISH_OP);
diff --git a/source/tnn/device/x86/acc/x86_swish_layer_acc.cc b/source/tnn/device/x86/acc/x86_swish_layer_acc.cc
index a3d8bc256..298d0bb76 100644
--- a/source/tnn/device/x86/acc/x86_swish_layer_acc.cc
+++ b/source/tnn/device/x86/acc/x86_swish_layer_acc.cc
@@ -12,18 +12,27 @@
 // CONDITIONS OF ANY KIND, either express or implied. See the License for the
 // specific language governing permissions and limitations under the License.
 
-#include "tnn/device/x86/acc/x86_unary_layer_acc.h"
+#include "tnn/device/x86/acc/x86_unary2_layer_acc.h"
 #include <cmath>
 
 namespace TNN_NS {
-typedef struct x86_swish_operator : x86_unary_operator {
+typedef struct x86_swish_operator : x86_unary2_operator {
     virtual float operator()(const float in) {
         return in * (1.0f / (1.0f + exp(-in)));
     }
-} X86_SWISH_OP;
 
-DECLARE_X86_UNARY_ACC(Swish, X86_SWISH_OP);
+    virtual Float4 operator()(const Float4 &v) {
+        return v * Float4::sigmoid(v);
+    }
+
+    virtual Float8 operator()(const Float8 &v) {
+        return v * Float8::sigmoid(v);
+    }
+} X86_SWISH_OP;
 
+X86_REGISTER_UNARY2_KERNEL(LAYER_SWISH, avx2, unary2_kernel_avx<X86_SWISH_OP>);
+X86_REGISTER_UNARY2_KERNEL(LAYER_SWISH, sse42, unary2_kernel_sse<X86_SWISH_OP>);
+DECLARE_X86_UNARY2_ACC(Swish, LAYER_SWISH);
 REGISTER_X86_ACC(Swish, LAYER_SWISH);
 
 }   // namespace TNN_NS
\ No newline at end of file